<div class="button_group">
    <a class="btn btn_default" :class="{'selected':selected==1}" @click="timeSelect(1)">本周</a>
    <a class="btn btn_default" :class="{'selected':selected==2}" @click="timeSelect(2)">上周</a>
    <a class="btn btn_default" :class="{'selected':selected==3}" @click="timeSelect(3)">本月</a>
    <a class="btn btn_default" :class="{'selected':selected==4}" @click="timeSelect(4)">上月</a>
    <div class="reportrange pull-left">
        <span class="rangeHoder">{{value[0]}} 至 {{value[1]}}</span> <b class="caret"></b>
    </div>
</div>